TK

Takaaki Koizumi

NI Ngk Insulators: 26 patents #112 of 2,083Top 6%
Aisin Seiki Kabushiki Kaisha: 7 patents #498 of 3,782Top 15%
AI Aisin: 3 patents #81 of 1,000Top 9%
SE Seiko Epson: 2 patents #4,555 of 7,774Top 60%
SO Sony: 1 patents #17,262 of 25,231Top 70%
📍 Tajimi, JP: #2 of 115 inventorsTop 2%
Overall (All Time): #82,371 of 4,157,543Top 2%
39
Patents All Time

Issued Patents All Time

Showing 26–39 of 39 patents

Patent #TitleCo-InventorsDate
8080923 Piezoelectric/electrostrictive membrane element Toshikatsu Kashiwaya 2011-12-20
8042239 Piezoelectric/electrostrictive element and method of manufacturing the same Hideki Shimizu 2011-10-25
7943192 Piezoelectric/electrostrictive film type element and manufacturing method thereof Tsutomu Nanataki, Hirofumi Yamaguchi, Toshikatsu Kashiwaya 2011-05-17
7876023 Piezoelectric/electrostrictive membrane sensor Takao Ohnishi, Hideki Shimizu 2011-01-25
7728493 Piezoelectric/electrostrictive material, piezoelectric/electrostrictive body, and piezoelectric/electrostrictive element Hideki Shimizu 2010-06-01
7714480 Piezoelectric/electrostrictive membrane sensor Takao Ohnishi, Hideki Shimizu 2010-05-11
7651655 Production methods of dielectric layer and dielectric element, dielectric element, and piezoelectric transformer Hirofumi Yamaguchi, Iwao Ohwada, Tsutomu Nanataki 2010-01-26
7576477 Piezoelectric/electrostrictive porcelain composition and method of manufacturing the same Hirofumi Yamaguchi, Ritsu Tanaka 2009-08-18
7441317 Piezoelectric/electrostrictive device and method for manufacturing the same Hirofumi Yamaguchi 2008-10-28
7332851 Piezoelectric/electrostrictive film type device and method of manufacturing the same Tsutomu Nanataki, Hirofumi Yamaguchi, Toshikatsu Kashiwaya 2008-02-19
6887397 Piezoelectric/electrostrictive material and process for production thereof Hirofumi Yamaguchi 2005-05-03
6702952 Piezoelectric/electrostrictive material and method for preparing the same Hirofumi Yamaguchi 2004-03-09
6531070 Piezoelectric body Hirofumi Yamaguchi 2003-03-11
4804574 Laminated printed coil structure Kenji Osawa, Shiyouichi Muramoto, Yoshio Watanabe, Takanori Kawahara 1989-02-14